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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
	var numberObject=new Number(10);
	console.log(numberObject);//Number
	
	var num=10;
	
	console.log(num.toString());
	console.log(num.toString(2));
	console.log(num.toString(8));
	console.log(num.toString(10));
	console.log(num.toString(16));
	
	console.log(num.toFixed(2));//10.00
	
	var num=10.518;
	console.log(num.toFixed(0));//10.52
</script>
</head>

<body>
</body>
</html>
